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Vol. 29 No. 12 (2017): Vol 29 Issue 12

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Synthesis and Characterization of Biomimetic Hydroxy Apatite-Silver Impregnated Soy Protein Isolate Nanocomposites for Dental Implantations

https://doi.org/10.14233/ajchem.2017.20755
T. Krishnaveni
Post Graduate and Research Department of Chemistry, Government Arts College (Autonomous), Coimbatore-641 018, India; Department of Chemistry, Misrimal Navajee Munoth Jain Engineering College, Chennai-600 097, India
Alagunambi Ramasubbu
Post Graduate and Research Department of Chemistry, Government Arts College (Autonomous), Coimbatore-641 018, India

Corresponding Author(s) : T. Krishnaveni

tveni2009@gmail.com

Asian Journal of Chemistry, Vol. 29 No. 12 (2017): Vol 29 Issue 12

Abstract

A novel class of biomimetic hydroxyapatite (HAP), poly(vinyl alcohol) (PVA) and silver nanoparticles (AgNPs) impregnated soy protein isolate (SPI)-ternary and quaternary nanocomposites were fabricated by an environmentally benign hydrothermal precipitation process under UV irradiation. Various physico-chemical and mechanical characteristics showed improved mechanical properties that open up newer vistas in biomedical applications, especially for dental implantations and repairs. The SEM, FT-IR, powder-XRD, particle size distribution analysis, TG-DTA, and DSC results confirmed the complete miscibility of soy protein isolate, hydroxyapatite and poly(vinyl alcohol) through one another by strong hydrogen bonding and silver nanoparticles were evenly distributed into nano-matrix and are stable without any aggregation. The mechanical properties (tensile strength), water absorption test and in vitro antibacterial studies confirmed that soy protein isolate based composites have enough mechanical stability, low water absorption and low bacterial adhesion. The incorporation of poly(vinyl alcohol) as neutral fillers boosts the tensile strength. The TG-DTA and DSC studies envisaged better miscibility and morphological changes of hydroxyapatite, poly(vinyl alcohol) and silver nanoparticles impregnated soy protein isolate with one another with an induced thermal stability. This novel class of SPI/HAP/PVA/Ag nanocomposites shall be a potential alternative class of materials for teeth and bone, orthopaedic dental implant due to their chemical and biological similarity to human hard tissues.

Keywords

Nano-hydroxyapatite Poly(vinyl alcohol) Soy protein isolate Silver nanoparticles Nanocomposites
Krishnaveni, T., & Ramasubbu, A. (2017). Synthesis and Characterization of Biomimetic Hydroxy Apatite-Silver Impregnated Soy Protein Isolate Nanocomposites for Dental Implantations. Asian Journal of Chemistry, 29(12), 2634–2638. https://doi.org/10.14233/ajchem.2017.20755
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